ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,431, issued on July 15.
"Grouted coupler for splicing steel reinforcement bars" was invented by Christian L Dahl (Newport Coast, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a grouted coupler for splicing together a pair of steel reinforcement bars (i.e., rebars) that are embedded within first and second concrete members to be connected together. In one embodiment, the first rebar is connected to a first coupling cavity of the coupler within the first concrete member. A wide upset head of the second rebar that stands upwardly from the second concrete member moves through a second coupling cavity of the coupler and into a grout ...